# AACP Members vs FORMIS Concussion Lite

The clearest difference is update cadence: FORMIS Concussion Lite at every 2 months against AACP Members's every 6 months. AACP Members's advantage is iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

AACP Members ships an update every 6 months, FORMIS Concussion Lite every 2 months. The most recent releases landed on September 5, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | AACP Members | FORMIS Concussion Lite |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Size | 78 MB | 55 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Acupuncture Association of Chartered Physiotherapists (AACP) Ltd](https://appshunter.io/developer/1488083645) | [Health Partners Europe Ltd](https://appshunter.io/developer/1850889111) |

## What reviewers say

### AACP Members

[App page](https://appshunter.io/ios/app/aacp-members/id1488083706)

**Features:** Vision Pro support

**In-app purchases:** none


### FORMIS Concussion Lite

[App page](https://appshunter.io/ios/app/formis-concussion-lite/id6757516536)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is AACP Members free?

AACP Members is free to download, with no in-app purchases.

### Is FORMIS Concussion Lite free?

FORMIS Concussion Lite is free to download, with no in-app purchases.

### Do AACP Members or FORMIS Concussion Lite have ads?

Neither AACP Members nor FORMIS Concussion Lite shows ads.

### Which is updated more often, AACP Members or FORMIS Concussion Lite?

AACP Members ships an update every 6 months, and FORMIS Concussion Lite every 2 months. Most recently, AACP Members was updated on September 5, 2026 and FORMIS Concussion Lite on September 19, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*